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Finding the Fourth Proportional to 537.60, 741.94 and 316.62

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Solution

The fourth proportional to 537.60, 741.94 and 316.62 is: 436.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.60 : 741.94 = 316.62 : x
  2. Step 2: Convert to fraction form
    537.60/741.94 = 316.62/x
  3. Step 3: Cross multiply
    537.60x = 741.94 × 316.62
  4. Step 4: Simplify right side
    537.60x = 234,912.25
  5. Step 5: Solve for x
    x = 234,912.25/537.60
  6. Step 6: Final answer
    x = 436.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.